CHICAGO - O'HARE, ILLINOIS Forecast
SUNDAY FEB 1 2026:
SUNDAY FEB 1 2026: PARTLY CLOUDY.
HIGH: -3 TO -1. SOUTHWEST WIND 15 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SUNDAY NIGHT FEB 1 2026: MOSTLY CLOUDY.
LOW: -7 TO -5. SOUTHWEST WIND 14 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
MONDAY FEB 2 2026: MOSTLY CLOUDY.
HIGH: -2 TO -1. WEST WIND 12 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
MONDAY NIGHT FEB 2 2026: PARTLY CLOUDY.
LOW: -9 TO -7. WEST WIND 10 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
TUESDAY FEB 3 2026: PARTLY CLOUDY.
HIGH: -4 TO -2. SOUTHWEST WIND 10 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
TUESDAY NIGHT FEB 3 2026: PARTLY CLOUDY.
LOW: -12 TO -9. WEST WIND 10 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY FEB 4 2026: FAIR.
HIGH: -4 TO 0. WEST WIND 9 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
WEDNESDAY NIGHT FEB 4 2026: PARTLY CLOUDY.
LOW: -11 TO -9. SOUTHWEST WIND 15 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 91 PERCENT.
THURSDAY FEB 5 2026: MOSTLY CLOUDY.
HIGH: 0 TO 2. SOUTHWEST WIND 19 gusting to 42 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 10 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
THURSDAY NIGHT FEB 5 2026: 20 PERCENT CHANCE OF LIGHT SNOW.
LOW: -3 TO -1. WEST WIND 22 gusting to 45 kph.
PRECIPITATION AMOUNT: 0 mm TO 1 mm. SNOW AMOUNT: 0.9 TO 2.7 cm.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 20 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
FRIDAY FEB 6 2026: PARTLY CLOUDY.
HIGH: 2 TO 4. SOUTHWEST WIND 21 gusting to 41 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
FRIDAY NIGHT FEB 6 2026: FAIR.
LOW: -9 TO 0. SOUTHWEST WIND 17 gusting to 38 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
SATURDAY FEB 7 2026: FAIR.
HIGH: -4 TO 4. SOUTHWEST WIND 16 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 79 PERCENT.
SATURDAY NIGHT FEB 7 2026: PARTLY CLOUDY.
LOW: -8 TO 0. SOUTHWEST WIND 16 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 85 PERCENT.
SUNDAY FEB 8 2026: MOSTLY CLOUDY.
HIGH: 0 TO 5. SOUTH WIND 14 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 88 PERCENT.
SUNDAY NIGHT FEB 8 2026: MOSTLY CLOUDY.
LOW: -5 TO 0. SOUTH WIND 14 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
MONDAY FEB 9 2026: CLOUDY.
HIGH: 0 TO 5. SOUTH WIND 13 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
MONDAY NIGHT FEB 9 2026: FAIR.
LOW: -1 TO 2. SOUTHWEST WIND 9 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
TUESDAY FEB 10 2026: FAIR.
HIGH: 2 TO 8. WEST WIND 13 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 92 PERCENT.
TUESDAY NIGHT FEB 10 2026: MOSTLY CLOUDY.
LOW: -3 TO 0. SOUTHEAST WIND 9 gusting to 32 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY FEB 11 2026: CLOUDY.
HIGH: 0 TO 1. SOUTHEAST WIND 14 gusting to 37 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY NIGHT FEB 11 2026: DENSE FOG.
LOW: -1 TO 0. SOUTHWEST WIND 11 gusting to 35 kph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 3 MM: 0 PERCENT. 13 MM: 0 PERCENT. 25 MM: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.